Centrifugal separator.



T. H. PARKER. GENTRIFUGAL SEPARATOR APPHCAHON man MAY 26. 19:1.

' 7 INVENTOR I fifwmas .42 1 Pawsw.

WITNESSES:

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essence.

Specification oi Letters Peten'i.

vention relates to centrifugal sepatype shown and described in Iny Patent No. 1,212,996, dated January This type or" separator comprises a rotetable distributor carried on a vertical axis and arranged to discharge the material to be separated radially therefrom and a rots,- ta le concave shell surrounding the distributer and spaced therefrom to receive the insterifl from the distributor, said shell having open-ended sides projecting above and below the distributor and capable, in operation, of separating the l ght from the heavy particles and discharging the light particles over thetop edge and the heavy particles below i lie invention in my prior patent is shown embodied in a (is-Watering device for metallurgical pulp like separators; and the present invention for its object to so modify the structure as to suit is especially for the separation of cream, oil and like liquids.

'l'o adapt the device to the separation of cream from Lilli, oil from water, etc, in a satisfactory manner certain structural changes are necessary in order that of heavy liquid particles, such as milk or water, may maintained between the distributor and the surrounding concave shell, so that the lighter liquid particles, such as cream or oil, cannot pass below the distributer and out at the bottom of the shell. These changes include the provision of retaining lips at the top and bottom of the concsve shall and the shaping of the shell so that a considerable mass or" heavy liquid particles may he held in place therein under normal operation, also the provision on the distril nter of horizontally projecting, disk-like members directed toward the center of the concave shell and extending within the mass or film of heavy liquid-particles present within the shell. The lighter liquid particlcs cannot, therefore, pass below the distrihnter and are consequently discharged over the top of the shell. (Ether improve have invented new and nients include the orovisionoi means for feeding the material to the distributing disk from a tank below, en overhead drive for the distributing dislr, and the connecting oi. the surrounding shell to the distribute-r so that said shell is carried directly by end rotated with said distributor. 1

in the accompanying drawing:

The figure shows a vertical, central, sectional view of a device embodying royin vention.

Referring now in detail to the panying' drawing, the device there shown comprises oframe 10, at the top of which is journaled c drive shaft 11, detecliahly connected to which is a hub 1:2 carrying, by means of radial 13, a funnel-shaped distributor 14:, the liared ends 15 of which are disposed at the top and extend horizon tally somewhat-in the shone of a dish. Sorrounding and connected to the ends 15, by means of webs or spiders 16, is an annular,

accomconcaved shell 17, the concavity in which is substantially lishsped in cross section and e the sides of which extend equally alcove and below the ends 15 of the distributor. The top cndhottoin of the shell 17 are open end the mar inal. ed "es are irovided with rc- & to

taining lips 18 projecting inwardly.

The funnel-shaped distributor has a tubular extension 19 pro ecting below into a tank 20 containing the material to'be separated.

This tubular extension is fitted internally with spiral or inclined vanes 21 which, when the parts are rotated, force the material no.

warclly and into the distributor, Snrronn 1; ing the upper end of the sliell ll" is a horisontsl ledge 22 over which the ligl'it liquid particles discharge past to a launder 23 covered by e hood 24:. Below the shell 17 and surrounding the some is a leunder 25 for the heavy liquid particles: discharged.

in operation, the hub 12 is driven at sailiciently high speed to cause the vanes ill to feed the material upwardly to the .distrihu tor and the latter to. discharge the same rsdially outward against the cencaved shell. The first efi'ect will fill the concavity in the shell and, owing to the shape of ,the latter, e sufficient of liquid particles will he retsined therein-normally to immerse the edges of the disk-like member 15 and seal the space between the said disk and shell. Centrifugal force will move the heavier particles outwardly against the wells of the shell. while'the lighter per be for the material to i ice i-icles will'rernein tow oral the inside, end. as feed. or inelerial consinues the lighter v articles will be forced upwardly over the rim of the shell, while the heavier porticles will pass out as the hotioni ol" the shell. Hone of the light, liquid particles can escape below the (listribul-er on account of the seel formecl by the mess of heavy liquid particles between she rim of the disk and the shell and at the some time the heavy per ticies cannotescape above on account of the reclining lips 18. The pressure of lighter particles against the heavier eicleal by gravity will insure the discharge of the heavy particles in; the bottom of the shell.

The upper rim of the shell has its inner circumferential face 26' made list and inclined inwardly and downwardly so that after the light particles pass the lip they are still retained in place. The centrifugal forces applied fihereto at this point will continue the separation, and, therefore, any heavy particles escaping; past the lip will not he discharged with the light material,

Various changes in the construction and arrangement of the several parts herein shown and (loseriherl may be made without departing from the spirit of my invention as disclosed. in the appended claims.

ll aving thus clcsoriheol my invention, whet l claim and desire to secure by Letters Patent is 1. in a centrifugal separator for liquicl material, a rotatable distributor carried on e vertical axis and (iiscl'ierging the material radially outward, e rolziialole, concave shell surrounding the distributor and receiving; the materiel to be separated. therefrom, saicl shell having open-emlecl sicles projecting above zinrl below the distributor and capable in operelien oi? (lischergino' the light percicles over the top edge one the heavy perticles below, :1 ml inwardly projecting lips on the ends of the shell, 'ssicl lips being so disposed as to confine a mess of heavy parlicles normally within the curvature of the shell both above and below the rim of the distributor en suliicien't in thickness to immerse the letter, whereby incoming light particles are prevented "from passing below the rim of ihe rlisbributer and act in conjunction with incoming heavy particles and che weight of the confined mass to force the heavy particles adjacent to the lower encl of the shell over the bottom retaining lip,

2. in a, centrifugal separator for liquid materiel, rotatable distribute carried on a. vertical axis and (lischorgieg the material in' 'lielly outward, vb rotatable, concaveshell surrcum n fshe (lislrihuter and receiving the materiel to be separated therefrom, seicl shell having open-en le(l-' sides projecting ehove anrl below fiche 'listributer and capable in operation or discharging the light periicles over the top eclg'e and she heavy paring: above ancl celow "cicles below, said. stentiellv f-shepecl in cross secsion. extend-- the clistriouter equal distances and out the some 'enguleriiy, and inwerclly projecting retaining lips on the ends of lhe sh ll to retain e mess of heavy particles in piece between the. (listrihuter and shell sullicienc in thickness to immerse the rim of she clistrihui-er and thereby pre vent the escape of light perticles below the clistrihuter. l

3. in centrifugal separator for liquid materiel, a rotatable distributer cerriecl on e vertical axis and clischerging the materiel radially outward, a rotatable, concave shell surrouncling the distributor and receiving the materiel to be separated therefrom, sei. shell having open-enclerl sides proiecting above anal below the distributor encl capable in operation of discharging the light liquicl particles over the top edge and the heavy liquid pert-isles below, cool means connected to and rotatable with the distributor to lift the niateri l from below and feed it to the diseributer.

l. in a, centrifugal separator for liquid. materiel, e rolstehle distributor carried. on a vertical axis and discharging the moieriel radially outward, a rotatable, concave shell surrounding the, clistributer and receiving the material to be separated therefrom, said shell having; openendecl sides. projecting above encl below the (lisiriouter and capable in operation of: rischarging the light liquid particles over the top eclge end the heavy liquid particles below, anal means connected lo and rotatable with the di'stributer to lift the material from below and feed it to the rlistrihulzer, said means comprising a tubular extension fitted internally with inclined vanes.

5. In e centrifugal seperaior for liquid material, a resemble disirihuter carried. on e vertical axis eecl discharging the material radially outwerrl, and a, resemble, concave shell surrounding the iisl ributei eml receiv" lug}; the IfiiiiQIifil to he separated therefrom, said shell having open-coiled sides projecting: above and below she distributor and ce peble in operetion of discharging the light liquicl particles over the top edge and the heavy liquid: particles below, said distributer being in the shape oi an inverted bell and having a fist, horizontally disposed discharge end and means for supplying insteriel to said distributor from below,

6. ln e centrifugal separator for liquirl material, a rotatable clistrihuler carried on a vertical axis encl llischerging the meteriel radially oulzvarrl, s1, roliatahle, concave shell surrouncling the distributor enol receiving the inslerial to he sepnraterl therefrom, said shell having open-ended sides projecting shove encl below hc distributor and. capable in operation of discharging (she light liquiol shell having ices sicles suhmeeem particles over the tepedge and the heavy liquid particles below, an overhead bearing from which the distribute! is suspended and driving means for the distributer comprising a, hub connected by radial Webs to the flisfiributer and retatable driving'eonneetions at the upper end thereef,

in tesuimony whereaf K have my hand in the presence WE Ewe wltnesses. 4

TEiQEiAS H. Witnesses: JQEN H. HERRENG, W. W Hmm'i. 

